42852137 has 4 divisors (see below), whose sum is σ = 44234496. Its totient is φ = 41469780.

The previous prime is 42852133. The next prime is 42852149. The reversal of 42852137 is 73125824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42852137 - 2² = 42852133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42852133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691133 + ... + 691194.

It is an arithmetic number, because the mean of its divisors is an integer number (11058624).

Almost surely, 2^42852137 is an apocalyptic number.

It is an amenable number.

42852137 is a deficient number, since it is larger than the sum of its proper divisors (1382359).

42852137 is a wasteful number, since it uses less digits than its factorization.

42852137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382358.

The product of its digits is 13440, while the sum is 32.

The square root of 42852137 is about 6546.1543672602. The cubic root of 42852137 is about 349.9377766936.

The spelling of 42852137 in words is "forty-two million, eight hundred fifty-two thousand, one hundred thirty-seven".